BLOOD TRANSFUSION DEVICE Russian patent published in 1999 - IPC

FIELD: medicine. SUBSTANCE: device has series-connected needle for coupling to blood vessel, microfilter consisting of cylindrical body and cover with branch pipes for inlet and outlet of blood. Branch pipes accommodate filtering element dividing microfilter volume into spaces for unfiltered and filtered blood. Device also has dropper, as well as mainline tube and clamp. Needle is coupled to microfilter through main-line tube. Microfilter consists of hermetically joined body and cover between which flat filtering element is positioned. Space for unfiltered blood of microfilter is formed by flat filtering element above which distributor is positioned and by cover. The latter is made as cone resting with its base on distributor and provided with cylindrical bead along base edge for attachment to microfilter body. Filtered blood space is formed by flat filtering element and tapered bottom of microfilter body. Microfilter is rigidly connected to dropper body through drop former. EFFECT: enhanced efficiency of filtration. 4 cl, 4 dwg